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1.28ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG844611584

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844611584

Diamond specifications and retailer prices

From $686 NZD
$386 USD
As of November 1, 2026
Save $1,120 NZD (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,806 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844611584 or 844611584. Listed at 5 retailers as of November 1, 2026, with prices from $686 to $1,806, a $1,120 spread on the same certified stone. MOH London lists it at $1,806. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844611584
Dimensions7.00 × 7.05 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
7.00 mm7.05 mm1.28 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844611584
Side View
Table 58.0%Crown 33.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,806 NZD|Low: $685 NZD|High: $1,806 NZD|Avg: $990 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3$686 NZD
Retailer 2$690 NZD
Retailer 4$858 NZD
Retailer 5$1,338 NZD
MOH London$1,806 NZD

5 data points across 5 retailers

5 retailers$686 NZD to $1,806 NZD

A
Cheapest Retailer
-
$686 NZD
$386 USD
A
Retailer 2
-
$690 NZD
£306 GBP
View
B+
Retailer 3
-
$858 NZD
$483 USD
View
B
Retailer 4
-
$1,338 NZD
$753 USD
View
Most Expensive
B
MOH London
LG844611584 · Nov 1
$1,806 NZD
£800 GBP
View
4 more retailers have this diamond
Prices start from $686 NZDSave up to $1,120 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.28ct Round
$686 NZD